Solve the problem.Within an area code, phone numbers consist of 7 numbers. If none of the first three numbers can be 0 or 1, how many different phone numbers are possible within an area code?
A. 2,097,152
B. 100,000
C. 10,000,000
D. 5,120,000
Answer: D
Mathematics
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Provide an appropriate response.Consider the following preference schedule.
If the winner is decided by pairwise comparisons, which of the following fairness criteria is violated?
A. Fairness Criterion 3 B. Fairness Criterion 1 C. Fairness Criterion 2 D. None of these
Mathematics
Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 15m10
B. 15m9
C. 15m10
D. 15m11
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Do not leave negative exponents in your answers.Evaluate. 5(-6) - (-7)3 + 
A. -365 B. 321 C. -12,159 D. -50,645
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Graph the function.f(x) = x3 - 3
A. 
B. 
C. 
D. 
Mathematics